Zhermack silicone rubber ZA 28 MOLD Shore hardness 28 medium hard

Zhermack silicone rubber ZA 28 MOLD Shore hardness 28 medium hard

Zhermack

  • €94,90
    Unit price€47,45 per kg
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Product information "Zhermack silicone rubber ZA 28 MOLD Shore hardness 28 medium hard
Zhermack Silicone ZA 28 MOLD

Addition-curing 2-component silicone rubber that vulcanizes at room temperature ( RTV ).
Being remarkably fluid, it is suitable for duplicating models with small undercuts.
Compatibility extends to all plasters, waxes, polyurethane and acrylic plastics.

Features and Application:
• High chemical resistance to aggressive components of some types of resin
• Height tear strength
• High level of fidelity in very small details
• High dimensional stability over a long period of time
• Remarkable resistance to high temperatures and to aging
• Outstanding non-stick effect

Main areas of application

• Manufacture of molds and models because of the remarkable precision in reproduction, high dimensional stability and high mechanical strength
• Art ceramics because of the high dimensional stability, the remarkable fluidity and the good mechanical strength
• Manufacture of molds for concrete casting

More product information:
Colour: green (component A) and white (component B)
Mixture: 1:1 by weight
Specific gravity: 1.16
viscosity 4000 cps
Mixing time at 23 degrees Celsius 1 minute
processing time ( pot life ) at 23 degrees Celsius 15 minutes
Curing time at 23 degrees Celsius 60 minutes
hardness Shore A after 24 hours 28
Breaking load 4.5 ± 0.2 N/mm²
Elongation at break 470 ± 20%
tear strength 9 ± 1 N/mm
Reproduction Detail: 2 microns
Dimensional change after 24 hours 0.02%


Mixing time at 23 degrees Celsius: 1 min
Mixing ratio: 1:1
Product type: silicone
Colour: green
Dimension change in % after 24h: 0.02
Curing time at 23 degrees Celsius: 60 mins
breaking load: 4.5N/mm2
Shore hardness: A28
Processing time at 23 degrees Celsius: 15 minutes
Viscosity: 4000 mPas
specific weight: 1:16
Elongation at break (in %): 470
tear strength: 9.0N/mm2

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